Improve statement detection for DECLARE statements outside function/procedure definitions.

The parser didn't recognized DECLARE statements outside
function/procedure definitions correctly and assumed that a
non-separating semicolon follows.

1 files changed, 3 insertions, 3 deletions

diff --git a/sqlparse/engine/filter.py b/sqlparse/engine/filter.py
index 08ff21d..0f6eec0 100644
--- a/sqlparse/engine/filter.py
+++ b/sqlparse/engine/filter.py
@@ -41,17 +41,17 @@ class StatementFilter(TokenFilter):
             return 0
 
         # ANSI
-        if ttype is not T.Keyword:
+        if ttype not in T.Keyword:
             return 0
 
         unified = value.upper()
 
-        if unified == 'DECLARE':
+        if unified == 'DECLARE' and self._is_create:
             self._in_declare = True
             return 1
 
         if unified == 'BEGIN':
-            if self._in_declare:
+            if self._in_declare:  # FIXME(andi): This makes no sense.
                 return 0
             return 0